Window-sash-operating device.



PATENTED JUNE 4, 1907.

P. KNGCHBL. v WINDOW SASH OPERATING DEVICE.

APPLICATION FILED NOV. 3, 1906.

@Zfeai? FEED STATES FATEENT @ETFEQE.

PHILIP? KNQCHEL, OF HANAU, GERIuANY, ASSIGNOR TU ABRAHAM KATZ,

OF LOUIS, HISSOURE.

No. 865,788. I

Specification of Letters Patent.

Patented June d, 1907.

Application filed November 8, 1906. Serial No. 341,853.

T to whom it may concern:

Be itknown that i, iiiitirr iixocnnn a a i, suDJectof the Emperor of Germany, residing sash with which the bearing ball 6 is asso- 55 ciated is provided with a rack 7. The sash 4 is prcfcraljily of metal and illirtFOIfLLllO bearin Hanau-on-the-Main, in the province of ing halls may readilv operate in pockets 5 Hesse-h assau, Germany, have invented ccrtherein without unduh wcarupon the portam new and useful iinpri'ivcments in Yv'intions of the sash in which they are seated and 60 dow-Sash-Qporating Devices, of which the the teeth of the rack 7 mav be readily pro following is a hill, clear, and exact descripduccd directly in the sash without the necestlon, reference being had to the tttftillllpztllysity of v iroviding a separate rack attached to 10 ing drawings, forming part of this spccilictv the sash.

U011 S designates a latch plate attached to the 6:; My nvention relates to an improvement in inner cast-merit member 1 and provided with operating devices for the sashes of windows a projecting journal bearing 9. This latch and has more pzirticularlyior its object. to plate is also provided with a bolt receiving produce a window sash operating moons h}; projection 15) that contains a socket 11 at the which the sash may be readily and quickly sides of which arc inclines 12leading to the 7o ra sed and lowered and held from movement socket. M lien in either a closed position or a partially 13 is a journal bearing plate that is mountopen position. ed in the outer casement member 2.

' Figure I is a perspective view of a window 14 s a shaft 'ournalod in the journal bearwith thesashshowninpartiallyopen position. ing of the latch plate 8 and in the journal 75 Fig. 11 is an elevation of the window with. the bearing plate 13. This shalt has fixed to sash shown in the position illustrated in Fig. it a pinion 15 that is located between the I and the inner casement member of the wininner and outer cusenicntmembers and in z 5 (low omitted. Fig. Ill is a vertical section mesh with the rack 7 of the sash 4.

taken on line IH1H, Fig.1. Fig. 1". is an 16 is a crank fixed to the shaft 14 and by 80 enlarged vertical section taken on line lV- which said shaft is rotated [or the purpose of IV, Fig. I; Fig. Y is an enlarged horizontal causing cooperation ofithe pinion 1.5 with the section taken on line Y Fig. I. rack 7 whereby the window sash is raised 0 l designates the inner casement member of and lowered within the window casement.

a window, and 2 the outer casement member, 17 is a locking bolt that is loosely seated in 85 in which is the sash receiving opening a socket in the crank 16 and has a handle 1.8; The casement members land 2 are preferprojecting from it at its outer end to be I ably of wood. 3 is an intermediate casement grasped by the hand of a erson operating the member of metal that is positioned between crank for-the purpose ol imparting rotation the inner and outer easement members and to the shaft'l and pinion 1 5. The locking 0 serves to separate said members to provide bolt is surrounded by a spiral spring inc'ased sash runways and also to proyide durable within the crank loand which exert-s power guide surfaces for the window sash. The to normally hold the locking bolt in an in I 0 series of casement members united by wardly pressed position for engagement with any suitable means, such as screws seated thelatch plate Theinuer end of the lock- 5 therein, as shown in Figs. I and H. ing bolt is provided with a shoulder that pre- 4 designates the window sash in which are vents the withdrawal of the bolt from the seated pockets at one edge bearing balls or crank and said inner end is adaptedto enter rollers located at the top and bottom corthe socket in the latch plate for the purpose nets of the sash and adapted to ride against of holding the crank l6 from movement to me the adjacent vert-icai portion of the intermaintain the window sash in any desired mediate casement member 3. At the lower fixed position to which it has been moved by corner of the sash, 0 .posite the edge contain the cooperation of the shaftcarried pin on 15 5o ing the hearing be ls 5, is projection for with the sash raclr 7. The inclines upon the guiding the sash having a pocket containing pIOjQCtlOIl 10 oi the latch plate rovide mg a bearing ball 6 that adapted to rule against tracks upon winch the inner end oi t 1e lockthe adjacent vertical portion of the intering bolt will freely ride when the bolt is 1n an mediate casement member. The style of the inwardly pressed position and the sash is moved by direct application of a. persons hands thereto, with theresult of causing rotation-of the crank 16 to carry the looking bolt to the socket or sent 1.1 in which it fits for the retention of the sash in a position to WhiCh it has been In oved.

I claim A Window sash operating CleViC6"COn1p1iS- ing'en inner member, an outer member, an intermediate member providing runways, and ide surfaces, a sash having aprojection "r guiding the. sash and a rack at one edgefe plate formed with a journal bearing,

a socket and inclines leading to the socket, a shaft mounted in the journal bearing, a pin 15 ion fixed to the shaft between the inner and outer members and in mesh with the rack, an operating crank fixed to the shaft and a spring locking oolt having a handle, loosely seated in the end of the orankend adapted to 20 be guided by the inclines so its to engage the socket in the plate. a

v PHILIPP KNOCHEL. In presence of- KRIST KmonMANN, HEINRICH WELson. 

